Math and trigonometry
CEILING
Function
The CEILING function rounds a number up to the nearest multiple
of significance.
by
Charley Kyd, MBA Microsoft Excel MVP, 20052014
The Father of Spreadsheet Dashboard Reports

Syntax
CEILING(number, significance)
 number Required. The value you
want to round.
 significance Required. The
multiple to which you want to round.
Applies To
Excel 2003 and above
A Note About
"Rounding"
In Excel, numbers can "round" in two ways.
First, they can round up or down. With this type of rounding,
numbers
get larger when they are rounded up, and smaller when they are
rounded down.
Second, numbers can round towards zero or away from zero.
When positive numbers are rounded towards zero, they get
smaller; when negative numbers are rounded towards zero, they get larger.
Although Microsoft uses "round up" and "round down" to
describe both types of rounding, we use "round up" or "round
down" to describe the first type of rounding. And we use "round
towards zero" or "round away from zero" to describe the second
type.
Remarks
 To avoid errors, both arguments must be numeric.
 If number is positive and significance is negative,
CEILING returns an error value.
Examples
You can
download this example workbook here,
along with all other example workbooks I've completed for this
Excel help area.
Rounds both positive and negative numbers up. A Significance value of 1 rounds the number up to the nearest integer.
To illustrate how CEILING works, examples 3b and 4b show how INT can produce the same results as CEILING in 3a and 4a, respectively.
INT and CEILING can produce the same results even when the significance value is not an integer.
In 8a, CEILING returns an error value if the number is positive and Significance is negative. But the other combinations calculate successfully.
Other ExcelUser
Information
Other Help
Related Functions
In total,
Excel 2013 offers 15 functions that round data in
various ways. Here's a
summary of Excel's rounding functions.
